SB20241230178 - Improper locking in Linux kernel f2fs
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230178
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-56744)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the system_going_down() and f2fs_handle_critical_error() functions in fs/f2fs/super.c, within the f2fs_stop_checkpoint() function in fs/f2fs/checkpoint.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1539a088b108996bcdaddb7775070b5163b14233
- https://git.kernel.org/stable/c/801092a2c9c251ef6a8678fcb8fcc1220474a697
- https://git.kernel.org/stable/c/ecf4e6782b01fd578b565b3dd2be7bb0ac91082e
- https://git.kernel.org/stable/c/f10a890308a7cd8794e21f646f09827c6cb4bf5d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64